421242424224 has 24 divisors (see below), whose sum is σ = 1105761363840. Its totient is φ = 140414141376.

The previous prime is 421242424223. The next prime is 421242424241. The reversal of 421242424224 is 422424242124.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×421242424224² (a number of 24 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (421242424223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2193970864 + ... + 2193971055.

It is an arithmetic number, because the mean of its divisors is an integer number (46073390160).

Almost surely, 2^421242424224 is an apocalyptic number.

It is an amenable number.

421242424224 is an abundant number, since it is smaller than the sum of its proper divisors (684518939616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421242424224 is a wasteful number, since it uses less digits than its factorization.

421242424224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4387941932 (or 4387941924 counting only the distinct ones).

The product of its digits is 65536, while the sum is 33.

Adding to 421242424224 its reverse (422424242124), we get a palindrome (843666666348).

The spelling of 421242424224 in words is "four hundred twenty-one billion, two hundred forty-two million, four hundred twenty-four thousand, two hundred twenty-four".